A percentile between 5 and 85 is the healthy range for children. This boy's weight is proportional to their height and age.
BMI-for-age is a screening tool, not a diagnosis. Muscle mass, bone density, pubertal stage, and ethnicity all affect how the number should be interpreted.
Next stepKeep supporting healthy habits: balanced meals, at least 60 minutes of physical activity daily, and adequate sleep for the child's age.